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首页> 外文期刊>Physical review, D. Particles, fields, gravitation, and cosmology >Possibility of generating leading-order gaugino masses in a direct gauge mediation scenario
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Possibility of generating leading-order gaugino masses in a direct gauge mediation scenario

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Generating gaugino masses at the leading order has typically been difficult in direct/semidirect gauge mediated supersymmetry breaking models. The Komargodski-Shih (KS) theorem has established that local stability of the supersymmetry breaking vacuum implies a vanishing leading-order gaugino mass in generic renormalizable O'Raifeartaigh models. We relax the condition of renormalizability and investigate the possibility to evade the KS no-go theorem using higher dimensional operators in the K?hler potential and the superpotential. We demonstrate that higher dimensional terms which are polynomial in superfields are not adequate to evade the KS theorem. We narrow down on the possible class of nonpolynomial corrections that can induce unsuppressed gaugino mass in a global supersymmetry breaking vacuum. We find that these models are tantalizingly close to the theories obtained from strongly coupled supersymmetry breaking schemes.

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